Finding the Fourth Proportional to 1,673.18, 2,504.50 and 1,150.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673.18 : 2,504.50 = 1,150.12 : x
2. Step 2: Convert to fraction form
   1,673.18/2,504.50 = 1,150.12/x
3. Step 3: Cross multiply
   1,673.18x = 2,504.50 × 1,150.12
4. Step 4: Simplify right side
   1,673.18x = 2,880,475.54
5. Step 5: Solve for x
   x = 2,880,475.54/1,673.18
6. Step 6: Final answer
   x = 1,721.56